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All results from a given calculation for C3H3N3O3 (cyanuric acid)

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-503.137815
Energy at 298.15K-503.146134
HF Energy-503.137815
Nuclear repulsion energy449.651369
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3870 3494 0.00      
2 A1' 1944 1755 0.00      
3 A1' 1088 982 0.00      
4 A1' 728 657 0.00      
5 A2' 1592 1437 0.00      
6 A2' 1419 1281 0.00      
7 A2' 690 623 0.00      
8 A2" 988 892 686.40      
9 A2" 764 690 156.42      
10 A2" 201 182 14.39      
11 E' 3866 3491 202.10      
11 E' 3866 3491 202.10      
12 E' 1936 1748 1194.87      
12 E' 1936 1748 1194.87      
13 E' 1594 1439 186.29      
13 E' 1594 1439 186.29      
14 E' 1565 1413 288.83      
14 E' 1565 1413 288.83      
15 E' 1134 1024 8.13      
15 E' 1134 1024 8.13      
16 E' 577 521 31.72      
16 E' 577 521 31.72      
17 E' 426 384 38.16      
17 E' 426 384 38.16      
18 E" 891 804 0.00      
18 E" 891 804 0.00      
19 E" 751 678 0.00      
19 E" 751 678 0.00      
20 E" 198 179 0.00      
20 E" 198 179 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19578.8 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 17677.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-31G
ABC
0.06806 0.06806 0.03403

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.227 0.709 0.000
C2 -1.227 0.709 0.000
C3 0.000 -1.417 0.000
N4 0.000 1.332 0.000
N5 -1.154 -0.666 0.000
N6 1.154 -0.666 0.000
O7 2.278 1.315 0.000
O8 -2.278 1.315 0.000
O9 0.000 -2.631 0.000
H10 0.000 2.328 0.000
H11 -2.016 -1.164 0.000
H12 2.016 -1.164 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 N5 N6 O7 O8 O9 H10 H11 H12
C12.45472.45471.37682.74961.37681.21353.55783.55782.03183.74502.0318
C22.45472.45471.37681.37682.74963.55781.21353.55782.03182.03183.7450
C32.45472.45472.74961.37681.37683.55783.55781.21353.74502.03182.0318
N41.37681.37682.74962.30782.30782.27842.27843.96320.99543.20863.2086
N52.74961.37681.37682.30782.30783.96322.27842.27843.20860.99543.2086
N61.37682.74961.37682.30782.30782.27843.96322.27843.20863.20860.9954
O71.21353.55783.55782.27843.96322.27844.55664.55662.49314.95852.4931
O83.55781.21353.55782.27842.27843.96324.55664.55662.49312.49314.9585
O93.55783.55781.21353.96322.27842.27844.55664.55664.95852.49312.4931
H102.03182.03183.74500.99543.20863.20862.49312.49314.95854.03184.0318
H113.74502.03182.03183.20860.99543.20864.95852.49312.49314.03184.0318
H122.03183.74502.03183.20863.20860.99542.49314.95852.49314.03184.0318

picture of cyanuric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N4 C2 126.118 C1 N4 H10 116.941
C1 N6 C3 126.118 C1 N6 H12 116.941
C2 N4 H10 116.941 C2 N5 C3 126.118
C2 N5 H11 116.941 C3 N5 H11 116.941
C3 N6 H12 116.941 N4 C1 N6 113.882
N4 C1 O7 123.059 N4 C2 N5 113.882
N4 C2 O8 123.059 N5 C2 O8 123.059
N5 C3 N6 113.882 N5 C3 O9 123.059
N6 C1 O7 123.059 N6 C3 O9 123.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability